Mother Mother, a $450,000 KEESEP yearling, came home a resounding winner of her debut at Del Mar Sunday to becoming the newest ‘TDN Rising Star.’ The dark bay filly, sent off the 3-5 favorite, battled on the front through fractions of :22.16 and :46.08. She was inching clear in upper stretch as Tapwater (Tapit), last in the early going, made a three-wide bid at the top of the stretch. Mother Mother easily shrugged off that foe and bounded clear to a 6 1/2-length victory. Over Emphasize (Overanalyze) was third.

The winner is a half-sister to Commanding Curve (Master Command), GISP, $609,378, runner-up in the 2014 GI Kentucky Derby.